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Radiant|Lab Grown|IGI

1.36ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG788629964

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG788629964

Diamond specifications and retailer prices

From £266 GBP
As of October 30, 2026
Save £1,562 GBP (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,273 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.36ct lab-grown radiant diamond

This 1.36ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788629964 or 788629964. Listed at 13 retailers as of October 30, 2026, with a 587% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.36
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788629964
Dimensions7.96 × 5.56 × 3.51 mm
L/W Ratio1.43
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.96 mm5.56 mm1.36 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788629964
Side View
Table 66.0%Crown 40.8°Girdle: MediumPavilion 34.2°Culet: NoneDepth 63.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,273 GBP|Low: £266 GBP|High: £3,090 GBP|Avg: £1,241 GBP|+12.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 7£266 GBP
Retailer 9£366 GBP
Retailer 12£391 GBP
Retailer 11£717 GBP
Retailer 13£857 GBP
Retailer 6£877 GBP
Retailer 14£879 GBP
Retailer 5£921 GBP
Retailer 8£1,038 GBP
Retailer 3£1,355 GBP
Retailer 10£1,672 GBP
Retailer 4£1,776 GBP
Retailer 2£1,829 GBP
Rare Carat£2,273 GBP

31 data points across 14 retailers

13 retailers£266 GBP to £1,829 GBP

Retailer 1
-
£252 GBP
$337 USD
Price last confirmed 28 days ago
A
Retailer 2
-
£266 GBP
View
Retailer 3
-
£304 GBP
$407 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
£366 GBP
$490 USD
View
A
Retailer 5
-
£391 GBP
$524 USD
View
B+
Retailer 6
-
£717 GBP
$961 USD
View
Retailer 7
-
£787 GBP
$1,054 USD
View
Price last confirmed 25 days ago
B+
Retailer 8
-
£857 GBP
$1,149 USD
View
B+
Retailer 9
-
£1,038 GBP
View
Retailer 10
-
£1,152 GBP
$1,544 USD
View
Price last confirmed 30 days ago
B
Retailer 11
-
£1,672 GBP
$2,240 USD
View
B
Retailer 12
-
£1,829 GBP
$2,450 USD
View
Most Expensive
Rare Carat
PD-180465 · Oct 21
£2,273 GBP
$3,045 USD
View
Price last confirmed 9 days ago
12 more retailers have this diamond
Prices start from £266 GBPSave up to £1,562 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.36ct Radiant
£266 GBP